FR13587E - Acoustic capsule without diaphragm for speaking machines - Google Patents

Acoustic capsule without diaphragm for speaking machines

Info

Publication number
FR13587E
FR13587E FR13587DA FR13587E FR 13587 E FR13587 E FR 13587E FR 13587D A FR13587D A FR 13587DA FR 13587 E FR13587 E FR 13587E
Authority
FR
France
Prior art keywords
diaphragm
acoustic capsule
speaking machines
speaking
machines
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Louis Lumiere
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR13587E publication Critical patent/FR13587E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR13587D 1909-12-30 1910-03-03 Acoustic capsule without diaphragm for speaking machines Expired FR13587E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR421853T 1909-12-30
FR13587T 1910-03-03

Publications (1)

Publication Number Publication Date
FR13587E true FR13587E (en) 1911-05-12

Family

ID=1355631

Family Applications (1)

Application Number Title Priority Date Filing Date
FR13587D Expired FR13587E (en) 1909-12-30 1910-03-03 Acoustic capsule without diaphragm for speaking machines

Country Status (1)

Country Link
FR (1) FR13587E (en)

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